JP5759455B2 - Thermo-optic solution for multi-purpose solid-state lighting devices using conic curves - Google Patents

Description

[Reference to related literature]
Applicants have filed US patent application Ser. No. 12 / 817,807 filed Jun. 17, 2010, US Provisional Application Nos. 61 / 220,019 and 2009 filed Jun. 24, 2009. Claims priority to 61 / 265,149, filed on November 30, 2000. The entire disclosure of each of the above specifications is hereby incorporated by reference.

  The present disclosure relates generally to illumination using solid state light sources such as light emitting diodes or lasers. More specifically, the present invention relates to a lighting apparatus that can be applied in various ways to provide an energy-efficient and long-life light source that uses conic curves and various structural relationships.

  This section provides background information related to the present disclosure that is not necessarily prior art.

  Providing an alternative light source is an important objective for reducing energy consumption. Alternatives to incandescent bulbs include small fluorescent lamps and light emitting diode (LED) bulbs. The small fluorescent lamp uses significantly less power to emit light. However, the substances used in small fluorescent lamps are not environmentally friendly.

  Various configurations are known for light-emitting diode bulbs. Light emitting diode bulbs last longer than small fluorescent lamps and have less impact on the environment. Light emitting diode bulbs use less power than small fluorescent lamps. However, many small fluorescent lamps and light-emitting diode bulbs do not have the same light spectrum as incandescent bulbs. They are also expensive. In order to achieve the longest lifetime from a light emitting diode, heat must be removed from the periphery of the light emitting diode. In many known configurations, light-emitting diode bulbs suffer from premature failure due to heat and light output disturbances with increased temperatures.

  This section provides a general overview of the present disclosure and is not a comprehensive disclosure of all its categories or all its features.

  The present disclosure provides a lighting assembly that is used to generate light and to provide a long-lived and therefore cost-effective unit.

In one aspect of the invention, an illumination assembly includes a base and a housing coupled to the base. The housing has a hyperboloid part. The lighting assembly includes a cover coupled to the housing. The cover has a first ellipsoidal part or a spherical part. The center point of the cover is located inside the cover. The illumination assembly is a circuit board on which a plurality of light sources are mounted on a base plate, and a circuit board disposed inside said housing.

In another aspect of the present disclosure, the lighting assembly includes a first portion having a first hyperboloid or sphere-shaped portion having a center point, a second portion adjacent to the first portion. And a hyperboloid-shaped portion adjacent to a portion on the middle ellipsoid. Further, the illumination assembly is a circuit board on which a plurality of light sources are mounted on a base plate, provided with a circuit board disposed inside said housing adjacent to said hyperboloid-like portion ing.

  In another aspect of the present disclosure, an illumination assembly having an axis of symmetry includes a housing that includes at least a base and a cover coupled to the base. The illumination assembly includes a plurality of light sources arranged in a first ring having a center point that is aligned with the axis of symmetry on a circuit board inside the housing. . The illumination assembly also has a first focal point inside the cover and a reflective having a plurality of second focal points disposed on a second ring coinciding with the first ring. Equipped with a bowl.

In another aspect of the present disclosure, a method for scattering light generates light from a light emitting diode (LED) disposed in a first ring on a circuit board, and covers high angle light from the LED. In a reflector having an offset ellipsoid shape with direct transmission, a common first focus, and a second ring with a second focus coinciding with the first ring. Directing the low angle light from the reflector to the first focus by reflecting low angle light from the LED.

  In another aspect of the present disclosure, a lighting assembly includes a cover and a housing coupled to the cover. The housing has a hyperboloid-shaped portion. A first circuit board is disposed in the housing therein. The first circuit board has a plurality of light sources on the first circuit board. A heat sink is thermally coupled to the light source. The heat sink includes a plurality of layers with gaps having outer edges. Each of the outer edges is connected to the housing.

  In another aspect of the present disclosure, an illumination assembly includes a housing, a circuit board having a plurality of light sources disposed within the housing, and a plurality of light re-synchronizers associated with each of the plurality of light sources. It has a directional element. Each of the light redirecting elements directs light toward a common point inside the housing.

  In another aspect of the present disclosure, a lighting assembly includes a cover, a housing coupled to the cover, and a lamp base coupled to the cover. The lighting assembly also includes a first circuit board disposed within the housing. The first circuit board has a plurality of light sources on the first circuit board. A heat sink is thermally coupled to the light source. The heat sink has a plurality of layers with gaps having outer edges and perforations passing through the heat sink. Each of the outer edges is connected to the housing. The lighting assembly also includes an elongated control circuit board assembly electrically coupled to the light source of the first circuit board and the base of the lamp. The control circuit board extends through the opening. The control circuit board has a plurality of electrical components on the control circuit board for controlling the light source.

  In another aspect of the present disclosure, an illumination assembly includes an elongated housing, a reflective parabolic cylindrical surface within the elongated housing having a focal line, and an elongated coupled to the elongated housing. A cover is provided. The illumination assembly also includes the plurality of light sources with gaps in the longitudinal direction that emit light toward the parabolic cylindrical surface. The parabolic cylindrical surface reflects light from the light source to the outside of the housing through the cover.

  In another aspect of the present disclosure, a lighting assembly has a base, a partially extending parabolic cross section, a housing extending from the base, and a light shift element disposed within the housing. And a plurality of light sources coupled to the housing. The light source generates light. In addition, the illumination assembly includes a corner portion that reflects light from the light source toward the parabolic cross section, and the light reflected from the parabolic cross section is the light shift element. The light directed to and reflected from the light shifting element is reflected from the housing and then directed to the outside of the housing.

  In another aspect of the present disclosure, a lighting assembly includes a base, a housing coupled to the base, and a plurality of light sources coupled to the housing within the housing. The light source generates light. A control circuit is electrically coupled to the light source for driving the light source. The control circuit is accommodated inside the base.

  Further areas of applicability will become apparent from the description herein. The description and specific examples in this summary are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.

The drawings provided herein are for the purpose of illustrating selected embodiments only, and not all possible embodiments, and are not intended to limit the scope of the disclosure.
1 is a cross-sectional view of a first embodiment of a lighting assembly according to the present disclosure. FIG. It is a top view of a circuit board concerning this indication. It is a top view of other embodiments. It is a top view of other embodiment. FIG. 6 is a cross-sectional view of a second embodiment of a lighting assembly according to the present disclosure. 3B is a top view of the heat sink of FIG. 3A. FIG. It is a side view of an ellipse. It is sectional drawing of a part of ellipsoid. It is a sectional view of a 3rd embodiment of this indication. It is sectional drawing of 4th Embodiment of the electric light bulb which concerns on this indication. It is sectional drawing of the electric light bulb which concerns on 5th Embodiment of this indication. It is a sectional view of a 6th embodiment of this indication. It is an expanded sectional view of an optical shifter and a filter. It is a sectional view of a 7th embodiment of this indication. FIG. 10 is a cross-sectional view taken along line 10-10 of FIG. FIG. 6 is a cross-sectional view of another embodiment of the present disclosure including a reflector as a light redirecting element. FIG. 3 is a cross-sectional view of a lighting assembly having a surface as a light redirecting element that is recessed within a circuit board. It is an expanded sectional view of the light source part of FIG. FIG. 13 is another cross-sectional view of the light source portion of FIG. 12. FIG. 3 is a cross-sectional view of a lighting assembly having a cylindrical control circuit. It is sectional drawing of the control circuit of FIG. 1 is a cross-sectional view of a cylindrical illumination assembly according to the present disclosure. FIG. 16 is a perspective view of the lighting assembly of FIG. 15. FIG. 16 is a longitudinal sectional view of the lighting assembly of FIG. 15. FIG. 16 is a cross-sectional view of a cylindrical illumination assembly having another embodiment of FIG. FIG. 3 is a cross-sectional view of a lighting assembly for use as a spotlight according to the present disclosure. FIG. 6 is a partial view of a reflector reflecting surface including circuit wiring. FIG. 20 is an enlarged view of extensions and corners as an alternative to that shown in FIG. 19. It is sectional drawing of the extension part and corner | angular part which have another light redirecting element. It is an expanded sectional view of a part of a housing. Figure 6 is another embodiment of a lighting assembly having other arrangements of circuit boards. FIG. 6 is a side view of another embodiment of a lighting assembly having a rectangular circuit board attached to a base. FIG. 25 is a cross-sectional view taken along line 2525 of FIG. 24 showing a portion of the circuit board inside the base. It is a top view of the circuit board regarding a light source circuit board. 1 is a side view of a base of a lamp formed in accordance with the present disclosure. FIG. FIG. 25 is a cutaway sectional view of the heat sink assembly of FIG. 24.

  Corresponding reference characters indicate corresponding parts throughout the several views of the drawings.

  The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. For simplicity, like reference numerals have been used in the drawings to consider like elements. As used in this disclosure, the phrase “at least one of A, B, and C” should be construed to mean logic using non-exclusive OR (A or B or C). It is. It should be understood that the steps in the method may be performed in a different order without changing the principles of the present disclosure.

  In the following drawings, it will be appreciated that various components may be used interchangeably. For example, several different embodiments of the control circuit board and the light source circuit board have been implemented. Similarly, various shapes of light redirecting elements and heat sinks are also disclosed. Various combinations of heat sinks, control circuit boards, plateau circuit boards, and lighting assemblies may be used. Various types of printed wiring and materials may also be used interchangeably in various embodiments of the lighting assembly.

  In the following drawings, an illumination assembly is shown with various embodiments comprising light emitting diodes (LEDs) with various wavelengths and solid state light sources such as solid state lasers. Different numbers of light sources and different numbers of wavelengths may be used to form the desired light output, depending on the ultimate use of the lighting assembly. The lighting assembly provides a thermo-optical solution for the lighting device and uses a number of shapes to achieve this objective.

  Referring to FIG. 1, a cross-sectional view of the lighting assembly 10 is shown. The illumination assembly 10 is rotationally symmetric about the longitudinal axis 12. The lighting assembly 12 includes a lamp base 14, a housing 16, and a cover 18. The lamp base or base 14 is used to supply current to the bulb. The base 14 can have various shapes depending on the application. This shape may comprise a standard Edison base or various other types of bases, larger or smaller. Base 14 may be of various types including screw-in, hammer-in, or plug-in. The base 14 is made at least partially of metal to form electrical contacts and can be used for heat conduction and dissipation. The base 14 may be manufactured from materials that are not limited to ceramics, such as thermally conductive plastics, plastics with molded circuit connectors.

  The housing 16 is adapted to the base 14. The housing 16 may be directly adjacent to the base 14 and may have an intermediate portion therebetween. The housing 16 can be formed of metal or other thermally conductive material. An example of a suitable metal is aluminum. The housing 16 can be formed by various techniques including stamping. Other techniques for forming the housing 16 include injection molded metals such as Zylor®. Thickform (registered trademark) may be used. The housing 16 may include other rotating conic curves such as a hyperboloid-shaped portion 20 and a partial ellipsoidal or partial paraboloidal portion 22. The housing 16 may be a free-form shape.

  The cover 18 may be a partial spheroid or ellipsoid in shape. The cover 18 may be formed of a transmissive material or a light transmissive material such as glass or plastic. The cover 18 may be designed to diffuse light and minimize reflected light captured within the lighting assembly. The cover 18 may be coated with a variety of materials to alter light properties such as wavelength or diffusion. An antireflection film may be applied to the inside of the cover 18. A self-radiating material excited by a light source may be used. In this way, the lighting assembly 10 may be configured to have a high color rendering index and color vision in the dark. The housing 16 and the cover 18 form a casing around the light source 32. A base 14 is also included as part of the housing.

  The lighting assembly 10 includes a substrate or circuit board 30 that is used to support a solid state light source 32. The circuit board 30 may be flat (as shown) or curved as described below. The circuit board 30 may be thermally conductive and may be formed from a heat sink material. The light source solder pads may be thermally or electrically coupled to a circular conductive element molded over a radially disposed copper portion or plastic base to assist in heat conduction. Good. In any of the following embodiments, the circuit board 30 may be part of a heat sink.

  The light source 32 has a high lumen per watt output. The light source 32 may generate light having the same wavelength or may generate light having different wavelengths. The light source 32 may be a solid state laser. The solid state laser may generate collimated light. The light source 32 may be a light emitting diode. Combinations of different light sources that produce different wavelengths may be used to obtain the desired spectrum. Examples of suitable wavelengths include ultraviolet or blue (eg, 450 to 470 nm). Multiple light sources 32 that generate the same wavelength may be used. A light source 32, such as a light emitting diode, generates low angle light 34 and high angle light 36. The high angle light 36 is directed outward through the cover 18.

  As is often the case with typical light bulbs, low-angle light is light that cannot be directed in the direction of operation. Low angle light is usually wasted because it cannot be directed outside the fixture to which the lighting assembly is coupled.

  The low angle light 34 is redirected to the outside of the cover 18 using the reflector 40. The reflector 40 may have various shapes including a paraboloid, an ellipsoid, or a freeform shape. The reflector 40 may have a shape for directing light from the light source 32 to the center point or the common point 42. The reflector 40 may have a coating for wavelength or energy shift and spectrum selection. Coating of one or both of the cover 18 and the reflector 40 is performed. Multiple coatings may be used. The common point 42 may exist at the center of the spheroid or ellipsoid of the cover 18.

  When referring to various conic curves, such as ellipsoids, paraboloids, or hyperboloids, even if only part of a conic curve rotating about an axis is used for a particular surface Good. Similarly, a part of a spheroid may be used.

  The circuit board 30 may be directly connected to the heat sink 50 or the circuit board as described below. The heat sink 50 may comprise a plurality of fins 52 forming a layer and extending in a direction perpendicular to the longitudinal axis 12 of the lighting assembly 10. The fins 52 can be accompanied by gaps to dissipate heat therefrom. The heat sink 50 may include a central portion 54. The center 54 may be connected to the circuit board 30 or the center control circuit board as described below. In general, the central portion 54 may take the form of a cylinder with openings 114 therethrough and fins 52 extending therefrom. The opening 114 through the cylinder may include a heat stake 56 disposed within the cylinder. While being connected to the circuit board 30, the heat stake 56 can conduct heat to the central portion 54 and finally to the fins 52. The heat stake 56 may conduct heat to the lamp base 14 thermally. The heat stake 56 can receive heat from the fins 52.

  The fins 52 can have a planar shape. The plane of the fin 52 is perpendicular to the longitudinal axis and can be connected to the housing 16. Depending on various design factors, a direct connection between the fins 52 and the housing 16 may not be necessary. However, the outer edges of the fins 52 of the heat sink 50 can be connected to the housing 16.

  In this way, the housing 16 conducts heat from the light source 32 on the circuit board for dissipating outside the lighting assembly.

  Additional fins 58 may be disposed on the circuit board 30. The additional fins 58 can be thermally connected to the circuit board 30. The fins 58 can support the reflector 40. The fins 58 can be directly or thermally connected to the housing 16.

  The control circuit board 70 may be provided inside the lighting assembly 10. The control circuit board 70 is shown as planar and circular. Different embodiments of the circuit board 70 may be implemented, such as a cylindrical or longitudinally oriented circuit board. The circuit board 70 can have various shapes.

  The control circuit board 70 may include various control chips 72 that are used to control various functions of the light source 32. The control chip 72 may comprise alternating current applied to the current converter, dimming circuit, remote control circuit, discrete components such as resistors and capacitors, and a power circuit. Various functions may be provided in an application specific integrated circuit. Although only one control circuit board 70 is shown, multiple circuit boards may be provided in the lighting assembly 10. The circuit board 70 can be thermally connected to the heat stake 56. In this manner, the heat stake 56 may conduct heat from the circuit board 70 toward the lamp base 14 or through the heat stake 56 to the center 54 and the fins 52.

  Referring to FIG. 2A, one embodiment of a circuit board 30 is shown. The circuit board 30 includes a plurality of light sources 32 thereon. The circuit board 30 has an outer thermal path 110 in the radial direction and an inner thermal path 112 in the radial direction. The opening 114 can be provided through the circuit board 30. As shown in FIG. 1, the opening 114 may have a heat stake 56 therethrough. The opening 114 may remain open so that air can circulate within the lighting assembly 10. The opening 114 may be replaced by a plurality of openings. The plurality of openings may be formed to receive a single wire or a plurality of wires for electrical connection to the circuit board 30 from the control circuit board. Such an embodiment is shown below.

  Although only the light source 32 is shown in FIG. 2, more electrical components for driving the light source may be incorporated on the circuit board 30. The thermal bias 116 may be provided on the circuit board 30 in order to allow the thermal path to pass through the heat sink 50. As shown, the thermal bias 116 is generally arranged in a triangular or pie-like configuration, but does not interfere with the thermal paths 110 and 112. The thermal bias 116 may exist directly under the light source.

  The circuit board 30 can be formed from a variety of materials to form a thermally conductive substrate. The solder pads of the light source can be connected to radially arranged copper parts or circular conductive elements that are molded over the plastic base to conduct heat from the light source. By removing heat from the area of the light source, the life of the lighting assembly 10 can be extended. The circuit board 30 may be formed of FR4 material on both sides, heat sink material, or the like. If the substrate material is conductive, electrical wiring may be formed in a non-conductive layer formed on the conductive surface of the circuit board.

  Referring to FIG. 2B, an alternative embodiment circuit board 30 'is shown. The circuit board 30 ′ may comprise a plurality of circuit wiring sectors 130 and 132 coupled to an AC voltage source for powering the light source 23. This sector is separated by a non-conductive gap 134. The light source 32 may be electrically connected to alternating sectors 130 and 132. The light source 32 may be soldered to the two sectors 130 and 132 or may be electrically attached to the other.

  Each sector 130 and 132 may be disposed on a non-conductive circuit board 30 '. As described above, the circuit board 30 'can be formed of a heat sink material. If the heat sink material is conductive, non-conductive pads or layers may be disposed between sectors 130 and 132 and circuit board 30 '.

  The opening 114 is shown in a circular shape. The opening 114 may be replaced by two smaller openings for coupling a wire or wires from the control circuit board to it. Such an embodiment is described below.

  Referring to FIG. 2C, another embodiment of a circuit board 30 '' is shown. The circuit board 30 ″ includes a light source 32 that is spaced apart by circuit wirings 140 and 142. The circuit wirings 140 and 142 may have different voltages that are used to drive or operate the light source 32. The circuit wirings 140 and 142 may be printed on a substrate such as a heat sink substrate. The electrical connection may be made from a control circuit board.

  With reference to FIGS. 3A and 3B, a second embodiment of a lighting assembly 10 'is shown. In this embodiment, longitudinal axis 12 and base 14 are similar to the previous. The housing 16 'may comprise an ellipsoid 22' and a hyperboloid-shaped portion 20 as shown in FIG. The ellipsoid 22 ′ can be used as a reflector for redirecting the low angle light 34 emitted from the light source 32. The inside of the housing 16 'can be used as a reflective surface. The inner surface of the housing 16 'can be anodized aluminum or other reflective surface. The high angle light 36 passes directly through the cover 18. The common point 42 may be the first focus of the ellipsoid. On the other hand, the ring of light sources 32 may form a second focal point of an ellipsoid. Since the ring of light sources is used as the second focal point of the ellipsoid, the ellipsoid can be considered as an offset ellipsoid. The configuration of the ellipsoid is further described below.

  In the present embodiment, the heat sink 210 may be configured by a method different from that shown in FIG. However, it will be appreciated that the configuration of the heat sink 210 of FIG. 1 may be incorporated into the optical configuration of FIG. In this embodiment, a plurality of heat sink fins 212 are disposed within the lighting assembly 10 '. The heat sink 210 may comprise a plurality of discs having openings 220 therethrough, as best shown in FIG. 3B. Each heat sink fin 212 may be similar to a washer. The heat sink fins 212 may be thermally connected to the heat stake 56 and the paraboloid or hyperboloid portion 16 ′ of the housing 20. Each heat sink fin 212 may conduct heat isotropically using a material such as aluminum or copper. The heat sink fins 212 may conduct heat anisotropically using materials such as graphite, aluminum, and magnesium. The outer diameter of the heat sink 210 changes according to the shape of the hyperboloid-shaped portion 16. The outer edge 213 of the fin 212 of the heat sink 210 may be connected to the housing 16 '. The outer or outer shape of the disc is a hyperboloid. Opening 220 may receive heat stake 56 or remove heat stake 56 as described below.

  The light source 32 may be mounted on the heat sink fin 212. The heat sink fin 212 may have conductive wiring on the heat sink fin 212 to form an electrical interconnect using a portion of the heat sink for interconnecting while containing the light source. This may be done in any of the embodiments specified herein.

  Notches 240 and 242 may snap fit heat sink fins 212 within the housing. For simplicity, one lower notch 240 and one upper notch 242 are shown. However, each heat sink fin 212 and circuit board 30 can be secured to the housing in a similar manner. Since the heat sink fin 212 and the circuit board 30 are flexible, the circuit board 30 and the heat sink fin 212 can be snap-fitted in some places. Of course, other methods for securing the heat sink fins 212 and the circuit board 30 may be used. These may include securing the circuit board and heat sink fins to the heat stake 56 using mechanical fasteners or adhesive, and securing the heat stake 56 to the base 14 of the lamp.

  Referring to FIG. 4A, a method for forming the above described shifted ellipsoid or offset ellipsoid is specified. The ellipsoid has two focal points F1 and F2. The ellipsoid also has a center point C. The major axis 310 of the ellipse 308 is a line including F1 and F2. The short axis 312 is perpendicular to the long axis 310 and intersects the long axis 310 at point C. To form a shifted ellipsoid, the focal point corresponding to the light source 32 is shifted outward from the major axis 310 and shifted or rotated about the focal point F1. Subsequently, the ellipsoid is rotated, and a part of the surface of the ellipsoid is used as a reflecting surface. Angle 312 may be a variety of angles corresponding to the shape of the full range of devices desired. In the ellipse, the light generated at point F2 is reflected from the reflector at the outer surface 314 of the ellipse and intersects at F1.

  Referring to FIG. 4B, the shifted ellipsoid or offset ellipsoid reflects light from the focal points F2 'and F2 "to intersect at the focal point F1. Focal points F2 'and F2 "exist on the ring of the light source 23, and low angle light from the light source 32 is reflected from the shifted ellipsoid surface and this light is directed to the focal point F1. Since the focal point F2 becomes a ring containing F2 'and F2 ", the ellipsoidal configuration is therefore found as shown in FIG. 4B. The circuit board 30 may be coupled to the ellipsoid 22 '.

  A lighting assembly heat sink 210 may be used that corresponds to the lighting assembly shown in FIG. 1 or 3A.

  Referring to FIG. 5, an embodiment similar to the embodiment of FIG. 4B is shown. In the present embodiment, one support bar or a plurality of support bars are configured to support the light shift element 412. The low angle light 34 from the light source 32 is directed to the common point 42. As described above, the common point 42 may be the center of the cover 18 and the focal point of the ellipsoid 22 '. The optical shift element 412 is optical frequency (energy) so that low angle light added to the direct light from the light source 32 to provide the desired output spectrum of optical frequency is provided with different optical characteristics. It can be coated with a shift material. For example, the light shift element 42 can be coated inside a fluorescent material, a nanofluorescent material, or a fluorescent dye to achieve a desired spectral distribution. One example is the use of a blue light source or laser, where other light, such as white light, is emitted when the blue light contacts the light shifting material or energy shifting material. The energy is absorbed by the light shifting material and re-radiated in various directions as indicated by arrow 414. A single ray can be scattered in various directions with a frequency different from that of the light source 32. The light shift element 412 may be a solid material such as a metal so that light is reflected therefrom. The light shift element 412 may be spherical or other shapes.

  Referring to FIG. 6, an embodiment of a lighting assembly 10 ″ ″ is shown and is similar to FIG. 3A except that the heat stake 56 is removed from the opening 114 in each heat sink fin 212. At the location of the heat stake 56 in FIG. 3A, the opening 114 remains open inside the fin 212 of the heat sink so that air can circulate within the lighting assembly 10 ″. The opening 114 may be arranged side by side with the opening 220 in the circuit board 70 so that air circulates to dissipate heat within the lighting assembly 10 ″.

  Referring to FIG. 7, there is shown another embodiment of a lighting assembly 10 iv that is similar to the embodiment of FIG. 3A, and therefore common numerals will no longer be described. In this embodiment, an optical shift element such as a hemisphere 510 is shown. The hemisphere 510 may include frequency shifting materials or frequency scattering materials such as those described above. A film or coating may be applied to the hemisphere 510 to provide light frequency light shift or light scattering.

  In any embodiment specified above or below, a light shifting element such as a hemisphere 510 may be provided. The hemisphere 510 may be formed of various materials including the optical filter layer 512 and the light shift layer 514. The optical filter layer 512 can be used to pass light of a wavelength passing therethrough. The wavelength may correspond to the wavelength of light from the light source 32. For example, the light source 32 is a blue laser or a blue LED, and the filter 512 allows blue light to pass. The shift layer 514 may shift the wavelength of light to other wavelengths excluding blue. For example, the light shift element 514 may be activated such that the blue wavelength generates white light from the light shift element 514. White light may be generated linearly or scattered and generated. Scattered light is indicated by arrow 516. Similarly, light can be scattered back toward the light source 32. However, the boundary between the filter layer 512 and the light shift layer 514 may reflect all but blue light. The light reflected by the boundary between the filter 512 and the light shift layer 514 may finally pass through the cover 18 and be emitted.

  In the embodiment of FIG. 7, perforations 520 are provided within or through housing 16 '. The perforations 520 may be openings adjacent to the fins 52 to provide an external conductive path that dissipates heat from the lighting assembly 10iv. The perforations 520 can be stamped or formed in the housing 16 'or through the housing 16' during manufacture. The lighting assembly 10iv does not require a vacuum like an incandescent bulb. In any embodiment described above or below, perforations 520 may be provided.

Referring to FIG. 8, an embodiment according to lighting assembly 10v, similar to FIG. 3A, is shown. In the present embodiment, a light shift element such as a film 600 is disposed inside the cover 18 so as to extend in a direction perpendicular to the symmetry axis of the cover . Many, if not all, light may propagate through the light shifter 600 that shifts the light. It should be noted that the amount of light shifting material on or within film 600 may vary depending on the gradient over its length. The gradient may include more light that shifts toward the middle or center 602 of the film and less light that shifts toward the cover 18. That is, the light shift rate may be a first rate adjacent to the cover and a second rate near the center of the cover that is greater than the first rate.

  The position of the film relative to the circuit board 30 can be changed along the axis 12 depending on the amount of light shifted. If it is desired that little light be shifted, the film may be separated from the base 14 and more suspended near the top of the cover 18. If it is desired that all light be shifted, the light shifter 600 may be suspended across the cover 18 or housing 16 'near the junction of the housing 16' and the cover 18 at point 604.

  Referring to FIG. 8A, a light shifter 600 may be formed on the filter 604 for wavelengths such as blue. Light can be scattered in a variety of directions, including the direction to the light source, by the light shifter 600, or more suitable particles or elements inside the light shifter. If the filter has the same filter characteristics as the light source, light is propagated from the light source through the filter. The light emitted backwards toward the light source is reflected at the light shifter 600 / filter 606 and the interface 607 and directed away from the light source. Blue light or light of the filter transmission wavelength passes back through the filter towards the light source. As shown, light 608 from the light source is scattered as shown by arrow 609. A portion of the light is scattered into a ray 609 'that can be reflected at the interface 607 as indicated by arrow 609 ". The light that is scattered from the light shifter 600 and enters the filter 606 has the same wavelength as the light source 32. The light reflected at the interface 607 may have a wavelength other than the wavelength of the wavelength pass material or the band pass filter (band pass filter) 606. The filter 606 may be a band-pass filter that passes the wavelength of light from the light source 32 scattered by the light shifter 600. This is the same as described above with reference to FIG. The combination of the light shifter 600 and the filter 606 is also called a pump, and may be called a blue pump in this embodiment.

  With reference to FIGS. 9 and 10, another embodiment of a lighting assembly 10iv is shown. In the present embodiment, the circuit board 610 may have a curved shape or a partial spheroid shape. The circuit board 610 may be a conventional glass fiber circuit board substrate or metal substrate with an insulating layer on the circuit board. The circuit wiring is insulated after being formed on the insulating layer. For example, an aluminum substrate with an anodized layer may have circuit wiring on its own substrate. The circuit wiring may be covered with an insulator. The circuit board 610 may be formed into a desired shape by heating from a planar shape.

  The circuit board 610 includes a light source 612 on the circuit board. The light source 612 may be arranged in a circle or ring 613 as described above or shown in FIG. A circle 613 can intersect each light source 612. The circle 613 can be arranged in a plane perpendicular to the longitudinal axis 12 of the illumination assembly 10vi. Cover 18 may be a partial spheroid as described above. The radius R1 of the spheroid of the cover 18 and the radius R2 of the circuit board 610 may have the same radius. The radii R1 and R2 can be the same. The cover 18 can be an ellipsoid. The center of the ellipsoid may correspond to the center 616 of the cover 18. The light shifter 614 may be disposed at the center 616 of the spheroid of the circuit board 610. The light shifter 614 can be similar to that shown in FIG. That is, the light shifter 614 may have an optical frequency shift coating or film 617 on it for shifting at least a portion of the light that propagates through the light shifter 614 and ultimately passes through the cover 18.

  The configuration of FIG. 9 can be formed as in FIG. 4A with F1 corresponding to 616 and F2 'and F2' 'corresponding to the light source 612.

  Each light source 612 may include a reorienting element such as a lens 620 disposed in the light path to focus light from the light source 612 to the center 616. The lens 620 can be a converging lens. The light source 612 may be parallel to the tangent line 618 of the spheroid surface of the circuit board 610. Light emitted along the central axis 624 of the light source intersects the point 616 and the light shifter 614. The central axis is perpendicular to the tangent line 618. In this way, any light emitted from the light source 612 can be converged at the center point 616. The light is shifted by the light shifter 614. Each lens may be coated to also provide light shifting properties. In this way, light sources that use ultraviolet light or blue light may be converted to various frequencies to provide white light.

  The light shifter 614 can be supported from the circuit board 610 using a support bar 630. Support bar 630 may be attached to stake 56 as shown, or may be directly attached to circuit board 610.

  Referring to FIG. 11, an embodiment similar to FIGS. 9 and 10 is shown. In the present embodiment, the lens 620 as the reorientation element is replaced with a reflector 640. The reflector 640 may have a surface that is part of an ellipsoid or part of a paraboloid. A partial ellipsoid shape may surround each light source 612. The light source 612 may be located at the first focal point of the spheroid and the second focal point of the spheroid of the reflector 640 may be a point 616. This is also similar to FIG. 4A where F 1 corresponds to 616 and F 2 ′ corresponds to one of the light sources 612. Each light source 612 may have a separate reflector 640.

  Referring to FIGS. 12, 12A and 12B, an embodiment similar to FIGS. 9 and 11 is shown. In FIG. 12, the reflector 640 shown in FIG. 11 is replaced by a recess 650 disposed inside the circuit board 610. The recess 650 inside the circuit board may be an opening 650 that passes through the circuit board 610 or a recess that partially passes through the circuit board 610 as shown in FIG. 12B. The opening 650 can have a surface 652 with a reflector 64 adjacent to it. The reflector can be a separate component from the metalized edge of the opening 650. The reflector 654 may be a metallized surface of a circuit board having an elliptical cross-sectional shape or a parabolic shape. The metallized surface 614 may be disposed on the edge 652 of the circuit board 610.

  If the opening 650 does not extend through the circuit board 610, the light source 612 can be attached to the bottom surface 654 of the opening 650 of the circuit board 610. As shown in FIG. 12B, the light source 612 can be attached to the circuit board 610 or the reflective surface 654 when the opening 650 extends through the circuit board 610. Light from the light source 612 is reflected from the reflecting surface 654 toward the point 616. Light propagating toward the point 616 is reflected by the light shifter 614.

  Referring to FIG. 13, a miniaturized control circuit board 70 'is shown. Although the circuit board 70 'may replace the heat stake 56 inside the lighting assembly with the circuit board 70', the opening 708 through the heat sink fins may be widened. The control circuit board 70 'may comprise various components depending on the application. One component may be an alternating current to direct current converter 710. Other individual components such as a plurality of resistors 712 and capacitors 714 may be provided on the control circuit board 70 '. Control circuit board 70 'may include input leads 716 and 718 that are coupled to an AC circuit. Leads 720 and 722 may be coupled to a DC circuit. Leads 716 and 718 may be coupled through the metal base 14 of the circuit board 701 while supplying AC power to the circuit. Leads 720 and 722 may ultimately be coupled to circuit board 30 and light source 32.

  The opening 708 between the control circuit board 701 and the heat sink fin 212 may be constant. A small finger 720 may extend from the heat sink fin 212 to support the circuit board 70 '. The finger 720 may be large enough to provide axial support, but small enough to provide airflow between the circuit board 70 ′ and the fins 212.

  Referring to FIG. 14, the control circuit board 70 is shown in a cross-sectional view perpendicular to the longitudinal axis 12 of the lighting assembly. As can be seen in the figure, components 710, 712, and 714 may be disposed on a circuit board 730 that is formed in a cylindrical shape. The circuit board 730 may be various types of circuit boards including glass fiber circuit boards or metal substrates as described above.

  The circuit board 730 may be filled with the epoxy resin 732 after the circuit board is formed. That is, the circuit board 70 ′ may be formed while being mounted in a cylindrical shape. This cylindrical shape may be formed before or after the device is mounted with electrical components. Substantially the entire length of the cylindrical shape may be filled with epoxy resin.

  The circuit board 730 defines the inside and the outside of the control circuit board 70 '. The electrical components 710 to 714 are arranged inside a cylindrical wall formed by the control circuit board 70 '. The interior may be filled with an epoxy resin 732.

  FIG. 14 shows an opening or space between the control circuit board 70 ′ and the heat sink fin 212. Also shown is a finger member 720 for supporting the control circuit board 70 'in the axial direction.

  It should be noted that light shifting elements on the cover 18 or in various positions as shown in FIGS. 5, 7, 8 and 9 may be incorporated into the lighting assembly shown in FIGS. .

  Referring to FIGS. 15, 16 and 17, a tubular lighting assembly 810 is shown. The tubular lighting assembly 810 includes a reflective surface 812. The reflective surface 812 may be a parabolic shape. That is, the reflective surface 812 can be a parabolic cylinder.

  The lighting assembly 810 can include a longitudinal axis 814. The light source 820 can be disposed along the longitudinal axis 814. Light from the light source 820 is directed to the reflecting surface 812.

  The reflective surface 812 may be a parabolic shape. The shape of the paraboloid may be a focal line that coincides with the longitudinal axis 814 of the illumination assembly 810. The light beam 830 reflected from the reflecting surface 812 is collimated. In the longitudinal direction, the ray 830 is scattered.

  The light shift element 832 can be disposed within the lighting assembly 810. As shown in FIGS. 15, 16 and 17, the light shifting element 832 may comprise a film that extends across the illumination assembly 810 from one edge of the reflective surface 812 to the other edge of the reflective surface 812. Good. The light shift element 832 may be coupled to a reflective surface or housing 834. The light shift element 832 may be coupled to the cover 842.

  The light shift element 832 may have a light selection (bandpass filter or dichroic) film 833 attached to itself. That is, the substance 833 may have a wavelength that transmits the wavelength of the light source (such as blue or ultraviolet). The interface between the light shift element 832 and the film 833 reflects wavelengths other than the selected wavelength, as described above in FIGS.

  The housing 834 may be a cylindrical housing having a semicircular cross section. The housing 834 may be a separate component, as shown in FIG. 15, or a single unit having an inner surface and an outer surface that are reflective surfaces 812, as shown in FIG. It may be a structure. The material may be metal, plastic, metal on plastic, or a combination thereof.

  As best shown in FIG. 17, the control circuit 838 can be used to control the power to the light source 820. A plurality of control circuits 838 may be disposed within the tubular lighting assembly 810. For example, the control circuit 838 may be disposed at each longitudinal end of the tubular lighting assembly 810. The control circuit 838 may have circuit wiring 840 extending from itself to supply power to the light source 820. The electrical wiring 840 may be formed on the surface of the light shift element 832. Wiring 840 may also be an individual wire coupled from control circuit 838 to the light source.

  As best shown in FIG. 15, the light shifting element 832 may be disposed across the diameter of the illumination assembly 810. The light source 820 can be located at the center point of the cylindrical assembly corresponding to the longitudinal axis 814. In this way, the light shift element 832 may define a plane that extends along the length of the illumination assembly 810.

  Further, the light shift element 832 may be disposed on the cover 842. The cover 842 may have a cylindrical shape or a partially cylindrical shape. Further, the cover 842 may have a scattering coating for scattering light in various directions.

  Referring to FIG. 18, an alternative embodiment to the embodiment according to FIGS. 15 to 17 is shown. In this embodiment, the light source 820 is not located on the longitudinal axis 814 of the illumination assembly 810 '. The light source 820 can be suspended above the reflective surface 812 using a support or leg 846. Leg 846 may extend from housing 834 or reflective surface 812.

  The reflecting surface 812 may be a parabola in the cross section, and may be a parabolic cylinder in the three dimensions. The parabola 812 may have a focal line 850 that intersects the light source 820. In this way, the light emitted from the light source 820 is collimated while being directed to the paraboloid 812.

  Various numbers of legs 846 may be used to suspend the light source. Each light source may be suspended or arranged by one or more legs 846. The lighting assembly 810 'can also include a cover 842, as described above.

  The lighting assembly 810 ′ may include a separate housing 834 and a separate paraboloid 812. Of course, the light source suspended by the legs shown in the illumination assembly 810 'can be used in the illumination assembly 810 shown in FIGS.

  In the lighting assembly 810, a light shifting element 832 is shown extending across the lighting assembly, but the light shifting element may be formed on the inner surface 854 or the outer surface 856 of the cover 842. In many commercial embodiments, the light shifting surface is on the inner surface 854 of the cover 852.

  Referring to FIG. 19A, another embodiment of a lighting assembly 910 is shown. In this embodiment, the lighting assembly is a spotlight or a downlight. The lighting assembly 910 includes a base 912 and a housing 914. The base 912 part may be screwed or hammered with respect to the electrical receptacle. The housing 914 is used to reflect light, as described below. The illumination assembly 910 can also include a lens portion 916. The lens portion 916 may include a light scatterer or a smooth surface. The lens unit 916 may have a film.

  The housing 914 can have a light source 920 attached to it. The light source 920 may be spaced around the lighting assembly 910 at a position opposite the base 912. The light source 920 can generate various wavelengths of light, including blue. All or part of the light source may emit light having the same wavelength. In this embodiment, each light source 920 generates blue light.

  The housing 914 may include an extension 926 for coupling the light source 920 to itself. The extension 926 and the corner 924 may have a fixed relationship such as 45 degrees. The angle of the fixed relationship between the extension 926 and the corner 924 is fixed so that light reflects as described below.

  The housing 914 can be a parabolic shape. The configuration of the housing 914 is described below. However, the interior of the lighting assembly 910 in the housing 914 can include a reflective surface 930. The reflective surface 930 has a focal point 934. The light source 920 may generate collimated light, as shown in FIGS. 20 and 21, or may have a light redirecting element that generates collimated light. The collimated light is directed to the corner 924. If the collimated light and the corners 924 form 45 degrees, the collimated light is reflected at an angle parallel to the longitudinal axis 936 of the illumination assembly 910. Light reflected in a direction parallel to the longitudinal axis 936 is reflected from the reflective surface 930 toward the focal point 934.

  The light shift element 940 is coupled within the lighting assembly 910. In the present embodiment, the optical shift element 940 is fixedly coupled to the base 912. However, the light shift element may be coupled to the housing 914. The optical shift element 940 has a first cylindrical portion 942, a second cylindrical portion 944, and a spheroid portion 946. The first cylindrical portion 942 is adjacent to the base or housing 914. The spheroid 946 has a center point that coincides with the focal point 934. The longitudinal axis 936 is the longitudinal axis of the first cylindrical portion 942 and the second cylindrical portion 944, and intersects the center 934 of the spheroid portion 946. Some or many of the light shifting elements 940 may be coated with a light shifting material or an energy conversion material. For example, the light shifting material may generate white light from blue light. The collimated light redirected from the corner 924 is reflected from the light shift element 940 and is wavelength shifted by the light shift element 940. The light reflected from the light shift element 940 is redirected to the reflective surface 930 of the housing 914 and redirected to pass through the lens 916 by the reflective surface 930.

  Corners 924 can be metallic or light opaque. Further, the corner portion 924 may be a selective reflection surface. Glass or plastic may be the reflective surface that selects the appropriate wavelength. Different wavelengths of light can be reflected and other light can pass therethrough. The wavelength selective reflecting surface can be formed by applying various types of materials. The corner 924 may be formed of a glass or plastic material that reflects the wavelength emitted by the light source 920 while allowing the wavelength formed by the light shift element 940 to pass. In the above example, the light source 920 emitted light at a blue wavelength. The light shift element 940 converted the blue wavelength to a white wavelength that can pass through the corners when emitted from the illumination assembly 910.

  Referring to FIG. 19B, one method for supplying power to the light source 920 is specified. As described above, the housing 914 can be formed from a plastic material that is coated with an electrically conductive or electrically reflective material. If the material is electrically conductive and reflective, the entire surface of the housing 914 may be covered by the material and partially removed to form a gap 947 therebetween. In this manner, the gap 947 may form a wire 948 that is powered at different voltages by the control circuit 944 to provide a voltage difference for operating the light source 920. . A plurality of light sources 920 may be disposed around the illumination assembly 910. In this way, a pair of conductors 948 can be provided for each light source 920. The size of the wiring can vary depending on various requirements with respect to width. The size of gap 947 is preferably reduced to minimize the removal of reflective material. By minimizing the amount of reflective material that is removed, the reflector can have the greatest amount of reflection. This increases the light output of the lighting assembly.

  Referring to FIG. 20, an enlarged view of the extension 926 and the corner 924 is shown. In the present embodiment, the lens 950 is used as a light redirecting element. The lens 950 collimates light in a direction perpendicular to the longitudinal axis 936 of the illumination assembly 910 shown in FIG. Light reflected from the corner 924 is reflected in a direction parallel to the longitudinal axis 936.

  Referring to FIG. 21, the light redirecting element adjacent to the light source 920 is shown as a reflector 952. The reflector 952 may be a parabolic or parabolic reflector that surrounds or substantially surrounds the light source 920. Light reflected from the parabolic reflector 952 is collimated in a direction perpendicular to the longitudinal axis 936. The light reflected by the corner 924 is perpendicular to the longitudinal axis 936.

  Referring to FIG. 22, a portion of the housing 914 is shown. The housing 914 may be formed of various materials and may have circuit wiring 960 inside the own housing. The circuit wiring 960 may be embedded in the housing 914. That is, the housing 914 may be formed of a plastic material, and the circuit wiring 960 may be embedded in the plastic material. Circuit wiring 960 couples control circuit 944 to light source 920. Two wires from the control circuit 944 to each light source 920 may be embedded inside the housing. Of course, other techniques for supplying power to the light source may be used.

  Referring to FIG. 23, a lighting assembly 1010 having a control circuit 1012 is shown. The lighting assembly 1010 includes a lamp base 1014. The lamp base 1014 extends a predetermined distance from the bottom 1016 of the lighting assembly. The lamp base 1014 may be, for example, an Edison lamp base. The lamp base 1014 may include threads or other mechanical configurations for mounting the lamp assembly 1010 within a socket (not shown). The lamp base 1014 defines its own volume.

  The control circuit 1012 may be disposed on one or more circuit boards that include a driver for driving the light source. The control circuit 1012 may be coupled to the circuit board 30 having the light source 32 in a variety of ways, including direct wires or wires within the housing of the lighting assembly 1010 or within the heat stake 56. The control circuit 1014 may also include an alternating current for instructing a current circuit or other component.

  The control circuit 1012 may reside partially within the volume of the lamp base. Also, the control circuit 1012 may be disposed in a volume that is generally defined by the interior of the lamp base 1014. The control circuit 1012 may be sealed with epoxy resin inside the volume of the lamp base 1014.

  Although the configuration of the illumination assembly similar to that of FIG. 1 is shown, the configuration of the illumination shown in other drawings may be incorporated therein. That is, a control circuit 1012 disposed within the volume of the lamp base may be incorporated into any of the above embodiments.

  Referring to FIGS. 24, 25 and 26, another embodiment of an illumination assembly 1100 is shown. This embodiment is similar to that shown in FIG. 13 above, and therefore, common components are given the same reference numerals. In the lighting assembly 1100 of this embodiment, a control circuit board 1110 of another embodiment is shown. The control circuit board 1110 may comprise various electrical components that constitute the control of the lighting assembly. Electrical component 1112 may be attached to one or more sides of circuit board 1110. Component 1112 may be the various types of components described above, including AC to DC converters, resistors, electrical chips, capacitors, and other elements.

  As best shown in FIG. 25, the circuit board 1110 may be fitted within the base 14. This fit may be a static fit between the base 14 and the circuit board 16. More specifically, a pair of grooves 1114 may be formed laterally across the base 14 from each other such that the circuit board 1110 is received therein. As best shown in FIG. 26, circuit board 1112 may include edge connectors 1116 and 1118 within base 14 for electrical coupling to opposite polarities. Stability within the groove 1114 may be used to ensure an electrical connection between the edge connectors 1116 and 1118 and the contacts 1120 disposed within the groove 1114.

  The base 14 may be a standard Edison base combined with other elements that form a forming function independent of the light source. That is, the base 14 and the circuit board 1110 may be used with various light source configurations and optical arrangements.

  As best shown in FIG. 26, the circuit board 1110 may comprise a wire 1130 extending therefrom. Wire 1130 may be used to supply power to light source 32 on circuit board 30. Solder material 1132 may be used to join the wire 1130 to the circuit wiring 1134 disposed on the circuit board 30. In addition to solder 1132, other materials for bonding wires 1130 to circuit wiring 1134 are already known to those skilled in the art. For example, conductive ink or adhesive may be used. Wire bonding is another method for connecting the wire 1130 to the circuit wiring 1134.

  The embodiment shown in FIGS. 24-26 has manufacturing advantages. A circuit base 14 may be formed and a circuit board may be mounted. Subsequently, the circuit board 1110 can be inserted into the groove 1114 such that the contacts 1120 are electrically coupled to the edge connectors 1116 and 1118. Various configurations of electrical contacts may be used. What is important is that current is provided from the base 14 to the control circuit board 1110.

  The heat sink fin 1140 may have a central portion 1142 that joins the heat sink fins 1140 together. Also, the central portion 1142 can extend upward toward the circuit board 30 such that the circuit board 30 is part of the heat sink process or such that the circuit board 30 is part of the heat sink process. The heat sink 210 may be pre-manufactured by assembling parts or by integrating and molding components. The light source 32 may be electrically joined to the circuit board 30 prior to insertion into the lighting assembly 1100. An assembly of circuit board 30 and heat sink fins 1140 may be placed on the circuit board such that wire 1130 extends through opening 1172 within circuit board 30. Subsequently, the wire 1130 can be electrically coupled to the wiring 1134 on the circuit board 30. Subsequently, a cover 18 may be placed over the lighting assembly and attached to the housing 16 '.

  Referring to FIG. 27, one embodiment of the base 14 is shown in more detail. Base 14 may include electrical contacts 1160 on itself. Contact 1160 provides an electrical connection with the socket in which the bulb is located. Other electrical contacts (not shown) may be coupled to the bottom or bottom contact 1162. The electrical contact 1160 and the contact (not shown) connected to the bottom 1162 may have opposite polarities in the AC circuit. The opposite polarity of contacts 1160 and 1162 may provide power to circuit board 1110. As shown, the base 14 can be a threaded base having threads. However, various types of bases may be used as described above. The contact 1160 is electrically connected to one of the contacts 1120. The wire or wiring that is electrically connected to the contact 1162 is connected to the opposite contact 1120.

  Referring to FIG. 28, there is shown an example of a molded part including the circuit board 30 formed integrally with the heat sink 210. The heat sink includes fins 1140 arranged in the center portion 1142 as illustrated. In the present embodiment, the circuit board 30 is made of the same material as the heat sink fin. The circuit wiring 1134 is used to supply power to the light source 32. As described below, the circuit board 30 may be a separate component or may be molded integrally with the heat sink fins. An opening 1170 may be formed for receiving a circuit board therein. An opening 1172 at the top of the circuit board 30 can be used to receive a wire 1130 from the circuit board 30. The circuit board 30 may be formed in the various forms described above in FIGS. 2A to 2C with non-conductive portions and circuit wiring 1134 on the circuit board. Only half of the heat sink assembly is shown, and a wire 1130 having the opposite polarity can be provided by another opening (not shown).

  Note that various components used in the above embodiments may be interchangeable. For example, various light shifting mechanisms may be used to change the wavelength of light from one wavelength to another. Various housing shapes and cover shapes may also be interchangeable. Similarly, various lamp bases may be used. The control circuit may have many different types of embodiments for controlling light emitting diodes or other light sources. Various types and shapes of control circuits may be used in each embodiment. The heat sink and the light emitting diode may also have various configurations as described above. The heat sink may have a washer-like structure, or may have an integrated structure as shown in FIG. The heat sink may be integrated with the light source circuit board 30 as shown in FIG. The light source circuit board 30 may have a variety of different embodiments, including those of FIGS. 2A and 2B. Such a configuration may be included in the configuration of the heat sink shown in FIG. Other methods of performing heat dissipation, such as the embodiment using the heat stake shown in FIG. 3 and other embodiments not using the heat stake, may be incorporated into various shapes of the lighting assembly. . The perforations 520 described above may also be incorporated into any of the embodiments described above.

  The previous description of the embodiments is provided for purposes of illustration and description, but is not intended to be exhaustive or to limit the invention. Individual elements or features according to a particular embodiment are generally not limited to that particular embodiment, and may be applicable even if the selected embodiment is not specifically illustrated or described. Can be interchanged and used in selected embodiments. Similarly, it can be modified in many ways. Such changes are not considered to depart from the present invention, and all such corrections are intended to be included within the scope of the present invention.

Claims (39)

A lighting assembly,
Base and
(1) hyperboloid shaped portion, and, (2) an arranged partial spheroidal reflecting portion between the cover and the hyperbolic portions the lighting assemblies of the symmetry axis A housing coupled to the base, the reflector having a long axis that is not parallel and intersects the symmetry axis ;
The cover coupled to the housing ;
With
The cover has to have a first ellipsoidal portion or bulbous portion of the inside of the cover is located the center point of the cover,
A circuit board having a plurality of light sources are mounted on a base plate, a circuit board disposed inside said housing,
Is further provided,
The partial rotational offset ellipsoidal reflector has a focal point that coincides with the center point and a plurality of second focal points that are arranged in a first ring on the circuit board,
The plurality of light sources are disposed on the first ring,
A lighting assembly characterized by that. The hyperboloid part and the cover have the symmetry axis,
The lighting assembly of claim 1. The base, the housing, and the cover have the axis of symmetry.
The lighting assembly of claim 1. Said partial rotational offset ellipsoidal reflecting portion arranged in the interior of the cover reflects low angle light from the plurality of light sources,
Lighting assembly according to claim 1, wherein the this. It said partial rotational offset ellipsoidal reflector portion is coupled to the circuit board, which functions as a heat sink,
The illumination assembly of claim 4. The light source is a solid light source.
The lighting assembly of claim 1. The circuit board is directly connected to the housing,
The housing functions as a heat sink,
Heat generated in the circuit board is conducted radially outward to the housing and conducted to the base through the housing;
The lighting assembly of claim 1. Further comprising a light wavelength shift elements Ru shifting the wavelength of the light from the light source,
The lighting assembly of claim 1. The optical wavelength shift element includes a first light wavelength shift rate in the vicinity of the cover and a second light in the vicinity of the center point of the cover that is greater than the first light wavelength shift rate in the cover. Including a material having a light wavelength shift gradient having a wavelength shift rate,
The illumination assembly of claim 8. The optical wavelength shift element is coupled to the circuit board with a support rod;
The illumination assembly of claim 8. The optical wavelength shift element is separated from the light source and is spherical.
The illumination assembly of claim 8. The optical wavelength shifting element has a hemisphere coupled to the circuit board;
The illumination assembly of claim 8. The light wavelength shift element, the inside of the cover, and has a film that enlargement extending in a direction perpendicular to the axis of symmetry of the cover,
The illumination assembly of claim 8. A lighting assembly,
A first ellipsoidal part having a central point or a first part having a spherical part, a second ellipsoidal part adjacent to the first part, and the illumination assembly not parallel to the re axis of symmetry, and a partial ellipsoidal second ellipsoidal portion including a reflection portion having a long axis crossing the axis of symmetry, and said second ellipsoidal A housing having a hyperboloid-shaped portion adjacent to the portion;
A circuit board having a plurality of light sources are mounted on the base plate, and a circuit board disposed inside said housing adjacent to said hyperboloid-like portion,
The ellipsoidal reflector has a first focal point coinciding with the center point, and a plurality of second focal points arranged in a first ring on the circuit board,
The light source is disposed in a second ring coinciding with the first ring ;
Lighting assembly, wherein a call. The housing is
The first ellipsoidal portion;
Base and
A cover including the second ellipsoidal portion;
Having a housing containing,
15. A lighting assembly according to claim 14, wherein: The base, the housing and the cover have a common axis corresponding to the axis of symmetry.
16. A lighting assembly according to claim 15, wherein: The second ring has a center point of the ring disposed on the common axis;
The illumination assembly of claim 16. The light source includes a solid light source,
15. A lighting assembly according to claim 14, wherein: The solid state light source includes a light emitting diode,
The lighting assembly of claim 18. The solid state light source includes a solid state laser;
The lighting assembly of claim 18. A lighting assembly having an axis of symmetry,
A housing comprising at least a base and a cover coupled to the base;
A plurality of light sources disposed on a first ring having a center point disposed on the symmetry axis on a circuit board inside the housing;
A partially continuous having a first focal point inside the cover and a plurality of second focal points disposed in a continuous second ring coinciding with the first ring And a typical spheroid reflector,
The reflector, the long axis of the ellipse, while the intersection with the first focal point is formed by rotating about said second ring reflects low angle light from above SL plurality of light sources,
The light reflected by the reflector is emitted through the cover.
A lighting assembly characterized by that. The first focus coincides with the center point;
The lighting assembly of claim 21. The circuit board is disposed on a plane perpendicular to the axis of symmetry of the lighting assembly;
The lighting assembly of claim 21. The housing includes a housing disposed between the base and the cover,
The lighting assembly of claim 21, wherein the housing comprises the reflector. The reflector has an offset ellipsoidal reflector formed by rotating the major axis of the ellipse around the second ring while intersecting the first focus .
25. A lighting assembly according to claim 24. 25. The lighting assembly of claim 24, wherein the housing has an offset ellipsoidal reflector that conducts heat to the heat spreading element. Said reflector, said circuit board, and are coupled to the housing which serves as a heat sink,
The housing is disposed between the base and the cover;
The lighting assembly of claim 21. An optical wavelength shift element is further provided in the housing.
The lighting assembly of claim 21. The light wavelength shift element, the first light wavelength shift rate in the vicinity of the cover, and, the greater than the first light wavelength shift ratio, light having the second light wavelength shift rate in the vicinity of the center point Comprising a film containing a material having a wavelength shift gradient;
29. A lighting assembly according to claim 28. The optical wavelength shift element is disposed between the first focus and the plurality of light sources.
29. A lighting assembly according to claim 28. The optical wavelength shift element is spherical.
29. A lighting assembly according to claim 28. The optical wavelength shifting element has a hemisphere coupled to the circuit board;
29. A lighting assembly according to claim 28. The plurality of light sources generate heat,
The circuit board conducts heat radially outward toward the heat sink, and the heat is conducted to the base through the heat sink.
The lighting assembly of claim 21. Generating light from a light emitting diode (LED) disposed in a first ring of the circuit board within the lighting assembly;
Transmitting high angle light from the LED through the cover;
Partially continuous with (1) a common first focus and (2) a second ring coincident with said first ring and having a second focus disposed thereon Directing the low-angle light from the reflector to the first focus by reflecting low-angle light from the LED with a reflector having a spheroid shape;
Including
The reflector is formed by rotating around the second ring while intersecting the major axis of the ellipse with the first focus.
An illumination method characterized by the above. Further comprising shifting the frequency of the low angle light using a light shift element disposed between the reflector and the first focus.
The illumination method according to claim 34, wherein: Further comprising disposing a light wavelength shifting film within the illumination assembly;
The illumination method according to claim 34, wherein: Further comprising shifting the frequency of the low angle light using a light shifting element located at the common first focus.
The illumination method according to claim 34, wherein: Further comprising disposing an optical wavelength shift element at the common first focus using a support rod extending from the circuit board;
The illumination method according to claim 34, wherein: Further comprising disposing a spherical light wavelength shift element at the common first focus using a support rod from the circuit board;
The illumination method according to claim 34, wherein:

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